you ask me, I ask who

== English == === Etymology === Calque from Chinese 你問我，我問誰／你问我，我问谁 (nǐ wèn wǒ, wǒ wèn shéi). === Phrase === you ask me, I ask who? (Chinglish, Manglish, Singlish) I don't know, how should I know